Tipping metallurgical furnace



N0. 617,9l8. v Patented lan. l7, I899.

P. T. BERG.

TIPPING METALLURGICAL FURNACE. (Application filed Oct. 29, 1897 (No Model.) 2 Sheets-Sheet l.

WITNESSES N0. 6|7,9l8. Patented Ian. I7, 1899.

P. T. BERG.

TIPPING METALLURGICAL FURNACE.

' A lication filed Oct. 29, 1897.)

(No Model.) 2 SheetsSheet 2.

WITNESSES INVENTOR UNITED STATES PATENT OFFICE.

PER TORSTEN' BERG, OF ,MUNHALL, PENNSYLVANIA.

TIPPING METALLURGICAL FURNACE- 'SPEdIFIGATION forming part of Letters Patent No. 617,918, dated January 17, 1899.

- Application filed October 29. 1897. Serial No. 656,793. (No model.) I

T 0 all whom it may concern:

Be it known that 1, PER Tons'rn BERG, of

Munhall, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Tipping Metallurgical Furnaces, of which the following is a full,

clear, and exact description, reference being gical furnace constructed in accordance with my invention, half of the same being in vertical central section. Fig. 2 is an end elevation of the furnace. Fig. 3 is a detail view showing the water-cooled. facing at the end of then-evolvingflne-passage of the vessel and is in vertical section on the line III III- of Fig. 4. Fig. 4 is a bottom plan'view of the part shown in Fig. 3.

The furnace shown in the drawings is designed to receive molten metal and subject the same toheat. The construction which I illustrate may be used either for open-hearth furnaces proper or for metal mixers'orother vessels in' which metal is contained. and

heated. v

, The vessel or furnace is a tilting vessel ing of the air usedin combustion. The gas is admitted without passing through such fines but modifications ,by which the connection may be made with both air and gas fines will readily suggest themselves.

The special point of construction to which my invention relates is the means for connecting the furnace to the fines; and it consists in providing the furnace at the ends-with flue-passages which extend in line with the axis of rotation of the vessel and are formed at the ends substantially in the arc of a Gitcle registering with'a corresponding arc. at the ends of'the stationary flues, so that the rotation of the vessel will not disturb the connection. 1

In the drawings, 2 represents the vessel or furnace, having, as shown, a strong outer metallic frame or shell and an inner refractory In' the construction shown in the drawings the vessel is connected with fines leading from-regenerators for the heat-v lining and having circular shoes 3, supported on rollers t and enabling it tobe tilted laterally by a cylinder 5 or other suitablemotor. At the ends of the vessel are openings 6 6 for admission of heated air to the fur-- nace-hearth. These openings communicate with vertically-extending passages 7, formed 7. The construction is therefore such that when the furnace is rotated the passages 7 will also register-with the fines 9, and the space between them which is allowed for play of the parts may, if desired, be easily sealed byinterposing some loose bricks Orsand.

' The passage 7 is wider than the month of flue 9, .as shown by dotted lines in Fig. 2, so' that these parts will always be'in register and there will always be an opening of full area from the flue. This construction is very convenient, asit affords a simple and effective fine connection which is not disturbed by expansion or contraction or warping of the parts, as in like furnaces heretofore known.

.In order to render the apparatus more du- 'rable, Iprefer to face the lower ends of the passages 7with metal shoes 11, (shown'particularly in Figs. 3 and 4,) which have hollow frames and are provided with a water-cooling passage 12. To supply water to the passage 12, I employ jointed swinging pipes 13, or other flexible connections may be used for such purpose. The gas for combustion may be admittedthrough 'an opening 14 and is supplied thereto by a swinging pipe 15.

I claim.

p 1. A tilting metallurgical furnace or vessel arranged to be rotated on a horizontal axis passing through its ends, and having an end opening through which the axis-passes, and a flue extending from the said opening in line with theaxis, and providedwith a depending end, and a stationary flue having its end arranged to register with the f urnace-flue; substantially. as described.

2-. A tilting metallurgical-furnace or vessel arranged to be rotated on a horizontal axis and having a flue extending in line with the axis of rotation, said flue having a depending portion with a curved lower end and a stationary flue having a correspondingly-curved upper end arranged to register with the furnace-flue; substantially as described. p 3. A tilting metallurgical furnace or vessel arranged to be tipped on'a horizontal axis, and having a flue with an end portion extending across the axis of rotation and formed with a curved end having a water-cooled shoe, and a stationary flue having a correspondinglycurved end arranged to register with the furnace-flue; substantially as described.

o 4. A tilting metallurgical furnace or vessel having end openings with downwardly-extending flues having curved ends and stationary flues having curved upper ends arranged to register with the furnace-fines; substanzo tially as described.

5. A tilting'metallurgieal furnace or vessel arranged to swing on a horizontal axis, and having a flue extending in line with the axis of rotation and provided with a lateral exten-.

25 sion having a curved end, and a stationary fl ue having a correspondingly-curved end, ar-

ranged to register with the furnace-flue, the mouth of one of these flues being wider than the other; substantially as described.

6. A tilting metallurgical furnace or vessel 30 arranged to be rotated on a horizontal axis and of rotation, and a stationary flue across the 40- mouth of which the furnace flue swings, the hearth of the-Vessel being in position for refining or operating upon the metal, when the flues are in registry, substantially as described.

In testimony whereof I have hereunto set my hand.

g PER TORSTEN BERG, Witnesses: V

THOMAS W. BAKEWELL, G. I. HOLDsHIP. 

